android.widget.TextView#setLayerType ( )源码实例Demo

public void addEmoji(String emojiName, Typeface emojiFont) {
    LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View emojiRootView = inflater.inflate(R.layout.photo_editor_sdk_text_item_list, null);
    TextView emojiTextView = (TextView) emojiRootView.findViewById(R.id.photo_editor_sdk_text_tv);
    emojiTextView.setTypeface(emojiFont);
    emojiTextView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
    emojiTextView.setText(convertEmoji(emojiName));
    MultiTouchListener multiTouchListener = new MultiTouchListener(deleteView,
            parentView, this.imageView, onPhotoEditorSDKListener);
    multiTouchListener.setOnMultiTouchListener(this);
    emojiRootView.setOnTouchListener(multiTouchListener);
    RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(
            ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
    params.addRule(RelativeLayout.CENTER_IN_PARENT, RelativeLayout.TRUE);
    parentView.addView(emojiRootView, params);
    addedViews.add(emojiRootView);
    if (onPhotoEditorSDKListener != null)
        onPhotoEditorSDKListener.onAddViewListener(ViewType.EMOJI, addedViews.size());
}
 

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    textView = (TextView) findViewById(R.id.text);
    textView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
    RichText.from(GIF_TEST).autoFix(false).showBorder(true).autoPlay(true).into(textView);
}
 

/**
 * Get root view by its type i.e image,text and emoji
 *
 * @param viewType image,text or emoji
 * @return rootview
 */
private View getLayout(final ViewType viewType) {
    View rootView = null;
    switch (viewType) {
        case TEXT:
            rootView = mLayoutInflater.inflate(R.layout.view_photo_editor_text, null);
            TextView txtText = rootView.findViewById(R.id.tvPhotoEditorText);
            if (txtText != null && mDefaultTextTypeface != null) {
                txtText.setGravity(Gravity.CENTER);
                if (mDefaultEmojiTypeface != null) {
                    txtText.setTypeface(mDefaultTextTypeface);
                }
            }
            break;
        case IMAGE:
            rootView = mLayoutInflater.inflate(R.layout.view_photo_editor_image, null);
            break;
        case EMOJI:
            rootView = mLayoutInflater.inflate(R.layout.view_photo_editor_text, null);
            TextView txtTextEmoji = rootView.findViewById(R.id.tvPhotoEditorText);
            if (txtTextEmoji != null) {
                if (mDefaultEmojiTypeface != null) {
                    txtTextEmoji.setTypeface(mDefaultEmojiTypeface);
                }
                txtTextEmoji.setGravity(Gravity.CENTER);
                txtTextEmoji.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
            }
            break;
    }

    if (rootView != null) {
        //We are setting tag as ViewType to identify what type of the view it is
        //when we remove the view from stack i.e onRemoveViewListener(ViewType viewType, int numberOfAddedViews);
        rootView.setTag(viewType);
        final ImageView imgClose = rootView.findViewById(R.id.imgPhotoEditorClose);
        final View finalRootView = rootView;
        if (imgClose != null) {
            imgClose.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    viewUndo(finalRootView, viewType);
                }
            });
        }
    }
    return rootView;
}